/* ========================================
   PowerForms Admin — Sidebar Design System
   Inter Font + Blue Accent Theme
   ======================================== */

/* === Font === */
@font-face {
    font-family: 'Inter';
    src: url('/fonts/Inter-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('/fonts/Inter-SemiBold.woff2') format('woff2');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Inter';
    src: url('/fonts/Inter-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* === Base === */
:root {
    --pf-sidebar-w: 240px;
    --pf-bg: #f1f5f9;
    --pf-surface: #ffffff;
    --pf-border: #e2e8f0;
    --pf-text: #0f172a;
    --pf-text-muted: #64748b;
    --pf-text-light: #94a3b8;
    --pf-primary: #3b82f6;
    --pf-primary-dark: #2563eb;
    --pf-primary-light: rgba(59,130,246,0.08);
    --pf-nav-bg: #0f172a;
    --pf-nav-hover: #1e293b;
    --pf-nav-text: #94a3b8;
    --pf-nav-active: #f8fafc;
    --pf-radius: 10px;
    --pf-radius-lg: 14px;
    --pf-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --pf-shadow: 0 2px 8px rgba(0,0,0,0.08);
    --pf-shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --pf-transition: 0.2s ease;
}

html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html { font-size: 15px; }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--pf-bg);
    color: var(--pf-text);
    margin: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   SIDEBAR
   ============================================ */
.pf-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--pf-sidebar-w);
    height: 100vh;
    background: var(--pf-nav-bg);
    display: flex;
    flex-direction: column;
    z-index: 1040;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Sidebar scrollbar */
.pf-sidebar::-webkit-scrollbar {
    width: 4px;
}
.pf-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

/* Brand */
.pf-sidebar-brand {
    padding: 1.25rem 1.25rem 1rem;
    flex-shrink: 0;
}

.pf-sidebar-brand a {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--pf-primary);
    transition: color var(--pf-transition);
}

.pf-sidebar-brand a:hover {
    color: #60a5fa;
}

.pf-sidebar-brand svg {
    flex-shrink: 0;
}

.pf-sidebar-brand span {
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

/* Section labels */
.pf-sidebar-label {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: rgba(148,163,184,0.5);
    padding: 0.5rem 1.25rem 0.35rem;
    margin-top: 0.25rem;
}

/* Nav items */
.pf-sidebar-nav {
    flex: 1;
    padding: 0 0.75rem;
}

.pf-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0.75rem;
    margin: 1px 0;
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--pf-nav-text);
    text-decoration: none;
    transition: all var(--pf-transition);
    cursor: pointer;
}

.pf-nav-item svg {
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity var(--pf-transition);
}

.pf-nav-item:hover {
    color: var(--pf-nav-active);
    background: var(--pf-nav-hover);
}

.pf-nav-item:hover svg {
    opacity: 1;
}

.pf-nav-item.active {
    color: var(--pf-nav-active);
    background: rgba(59,130,246,0.15);
}

.pf-nav-item.active svg {
    opacity: 1;
    color: var(--pf-primary);
}

/* Sidebar footer (user card) */
.pf-sidebar-footer {
    flex-shrink: 0;
    padding: 0.75rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    margin-top: auto;
}

.pf-user-card {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.5rem;
    border-radius: 10px;
    transition: background var(--pf-transition);
}

.pf-user-card:hover {
    background: var(--pf-nav-hover);
}

.pf-user-avatar {
    width: 34px;
    height: 34px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--pf-primary) 0%, var(--pf-primary-dark) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.pf-user-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.pf-user-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: #e2e8f0;
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: color var(--pf-transition);
}

.pf-user-name:hover {
    color: #fff;
}

.pf-btn-logout {
    font-family: 'Inter', sans-serif;
    font-size: 0.675rem;
    font-weight: 500;
    color: var(--pf-text-light);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    transition: color var(--pf-transition);
    text-align: left;
}

.pf-btn-logout:hover {
    color: #fca5a5;
}

/* ============================================
   MOBILE HEADER & OVERLAY
   ============================================ */
.pf-mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 1030;
    background: var(--pf-nav-bg);
    padding: 0.75rem 1rem;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 1px 8px rgba(0,0,0,0.2);
}

.pf-mobile-toggle {
    background: none;
    border: 1px solid rgba(255,255,255,0.15);
    color: #e2e8f0;
    border-radius: 6px;
    padding: 0.3rem 0.45rem;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.pf-mobile-brand {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--pf-primary);
    letter-spacing: -0.02em;
}

.pf-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1035;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.pf-sidebar-overlay.show {
    opacity: 1;
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.pf-content {
    margin-left: var(--pf-sidebar-w);
    min-height: 100vh;
    padding: 1.5rem 2rem;
}

/* === Page Headers === */
h2, h3, h4 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--pf-text);
}

/* ============================================
   RESPONSIVE: MOBILE
   ============================================ */
@media (max-width: 991.98px) {
    .pf-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: none;
    }

    .pf-sidebar.show {
        transform: translateX(0);
        box-shadow: 4px 0 24px rgba(0,0,0,0.3);
    }

    .pf-sidebar-overlay {
        display: block;
        pointer-events: none;
    }

    .pf-sidebar-overlay.show {
        pointer-events: auto;
    }

    .pf-mobile-header {
        display: flex;
    }

    .pf-content {
        margin-left: 0;
        padding: 1rem;
    }
}

/* ============================================
   COMPONENT STYLES
   ============================================ */

/* === Cards === */
.card {
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius-lg);
    box-shadow: var(--pf-shadow-sm);
    background: var(--pf-surface);
    transition: box-shadow var(--pf-transition), transform var(--pf-transition);
}

.card:hover {
    box-shadow: var(--pf-shadow);
}

.card-body {
    padding: 1.25rem;
}

.card-header {
    background: var(--pf-surface);
    border-bottom: 1px solid var(--pf-border);
    font-weight: 600;
    padding: 0.875rem 1.25rem;
    border-radius: var(--pf-radius-lg) var(--pf-radius-lg) 0 0 !important;
}

/* === Tables === */
.table {
    font-size: 0.875rem;
    border-color: var(--pf-border);
    --bs-table-bg: transparent;
}

.table > thead {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--pf-text-muted);
}

.table > thead > tr > th {
    background: #f8fafc;
    border-bottom: 2px solid var(--pf-border);
    padding: 0.75rem 0.875rem;
    white-space: nowrap;
}

.table > tbody > tr > td {
    padding: 0.75rem 0.875rem;
    vertical-align: middle;
    border-color: #f1f5f9;
}

.table-hover > tbody > tr:hover > td {
    background: var(--pf-primary-light);
}

.table-responsive {
    border-radius: var(--pf-radius);
    border: 1px solid var(--pf-border);
    background: var(--pf-surface);
    box-shadow: var(--pf-shadow-sm);
}

.table-responsive > .table {
    margin-bottom: 0;
}

/* === Forms === */
.form-control,
.form-select {
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    border: 1.5px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: 0.5rem 0.75rem;
    color: var(--pf-text);
    background: #f8fafc;
    transition: all var(--pf-transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--pf-primary);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
    background: #fff;
}

.form-control::placeholder {
    color: var(--pf-text-light);
}

.form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #334155;
    letter-spacing: 0.01em;
    margin-bottom: 0.375rem;
}

.form-text {
    font-size: 0.75rem;
    color: var(--pf-text-muted);
}

.form-check-input {
    border-radius: 4px;
    border: 1.5px solid #cbd5e1;
}

.form-check-input:checked {
    background-color: var(--pf-primary);
    border-color: var(--pf-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(59,130,246,0.12);
}

.form-range::-webkit-slider-thumb {
    background: var(--pf-primary);
}

/* === Buttons === */
.btn {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 0.875rem;
    border-radius: var(--pf-radius);
    padding: 0.5rem 1rem;
    transition: all var(--pf-transition);
    letter-spacing: 0.01em;
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus {
    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

.btn-primary {
    background: linear-gradient(135deg, var(--pf-primary) 0%, var(--pf-primary-dark) 100%);
    border: none;
    box-shadow: 0 1px 3px rgba(37,99,235,0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--pf-primary-dark) 0%, #1d4ed8 100%);
    box-shadow: 0 4px 12px rgba(37,99,235,0.3);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border: none;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    border: none;
}

.btn-outline-secondary {
    border-color: var(--pf-border);
    color: var(--pf-text-muted);
}

.btn-outline-secondary:hover {
    background: #f1f5f9;
    border-color: #cbd5e1;
    color: var(--pf-text);
}

.btn-sm {
    font-size: 0.8125rem;
    padding: 0.3rem 0.75rem;
    border-radius: 8px;
}

/* === Badges === */
.badge {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 0.7rem;
    letter-spacing: 0.02em;
    padding: 0.3em 0.65em;
    border-radius: 6px;
}

/* === Alerts === */
.alert {
    font-size: 0.875rem;
    border-radius: var(--pf-radius);
    border: none;
    font-weight: 500;
}

.alert-success { background: #ecfdf5; color: #065f46; }
.alert-danger  { background: #fef2f2; color: #dc2626; }
.alert-warning { background: #fffbeb; color: #92400e; }
.alert-info    { background: #eff6ff; color: #1e40af; }

/* === Modals === */
.modal-content {
    border: none;
    border-radius: var(--pf-radius-lg);
    box-shadow: var(--pf-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--pf-border);
    padding: 1rem 1.25rem;
}

.modal-title {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: -0.01em;
}

.modal-body { padding: 1.25rem; }

.modal-footer {
    border-top: 1px solid var(--pf-border);
    padding: 0.875rem 1.25rem;
}

/* === Pagination === */
.pagination { gap: 3px; }

.page-item .page-link {
    font-family: 'Inter', sans-serif;
    font-size: 0.8125rem;
    font-weight: 500;
    border-radius: 8px !important;
    border: 1px solid var(--pf-border);
    color: var(--pf-text-muted);
    padding: 0.35rem 0.75rem;
    transition: all var(--pf-transition);
}

.page-item .page-link:hover {
    background: var(--pf-primary-light);
    color: var(--pf-primary);
    border-color: rgba(59,130,246,0.2);
}

.page-item.active .page-link {
    background: var(--pf-primary);
    border-color: var(--pf-primary);
    color: #fff;
    box-shadow: 0 1px 3px rgba(59,130,246,0.3);
}

/* === Dropdown === */
.dropdown-menu {
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    box-shadow: var(--pf-shadow-lg);
    padding: 0.375rem;
    font-size: 0.875rem;
}

.dropdown-item {
    border-radius: 6px;
    padding: 0.45rem 0.75rem;
    font-weight: 500;
    color: var(--pf-text);
    transition: all var(--pf-transition);
}

.dropdown-item:hover {
    background: var(--pf-primary-light);
    color: var(--pf-primary);
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* === Pre-fill readonly fields === */
.form-control[readonly].bg-light,
.form-select:disabled.bg-light {
    cursor: not-allowed;
    color: #212529 !important;
    opacity: 1;
    background-color: #f0f0f0 !important;
}

/* === Utility === */
.text-muted { color: var(--pf-text-muted) !important; }

.fw-bold, .fw-medium {
    font-family: 'Inter', sans-serif;
}

code {
    font-size: 0.8125rem;
    background: #f1f5f9;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    color: #e11d48;
}

hr {
    border-color: var(--pf-border);
    opacity: 1;
}